Compilare: user.cpp: In constructor ‘arb::arb(const std::vector<int>&)’: user.cpp:14:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(lmax=1;(1<<lmax)<vect.size();lmax++);lmax=(1<<lmax); ^ user.cpp:16:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<vect.size();i++) a[lmax+i]=val[vect[i]]; ^ user.cpp: In function ‘void df(int)’: user.cpp:62:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) ^ user.cpp: In function ‘void make_arbore()’: user.cpp:88:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<path.size();i++) //formez arb-orii ^ user.cpp: In function ‘int Query(int, int)’: user.cpp:95:15: warning: unused variable ‘aux’ [-Wunused-variable] int e1,e2,aux; ^